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Method of manufacturing master link

a technology of master links and assembly parts, applied in the field of master links, can solve the problems of reducing increasing cutting errors, and comparatively low process speed, and achieve the effect of enhancing the degree of precision and quality of products, and reducing cutting errors in the assembly portion of partial link units

Active Publication Date: 2014-03-18
KOREA CRAWLER TRACK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention aims to provide a method for manufacturing a master link that can reduce cutting errors in assembly portions of partial link units, thereby improving the precision and quality of the product. The method involves forming a wire-cutting reference hole at a predetermined position in the master link, and then conducting wire-cutting based on the reference hole. This results in a more accurate formation of the master link's inner and outer contours, reducing cutting errors and improving precision and quality.

Problems solved by technology

However, in the conventional master link manufacturing method, only wire-cutting is used when dividing the master link into the two partial link units and forming the assembly portions of the partial link units.
Therefore, process speed is comparatively low and cutting error is increased, thus reducing the degree of precision and the quality of the product.

Method used

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Examples

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Embodiment Construction

[0024]Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the attached drawings.

[0025]FIGS. 1 and 2 are views illustrating a master link which connects ends of a track chain links of an endless track to each other.

[0026]As shown in the drawings, the master link 10 includes first and second partial link units 21 and 22. In other words, the first partial link unit 21 and the second partial link unit 22 are separably coupled to each other, thus forming the master link 10. A first assembly portion 31 of the first partial link unit 21 and a second assembly portion 32 of the second partial link unit 22 engage with each other and are coupled to each other by couplers or the like.

[0027]Pin bores 25 and 26, into which pins are coupled, are respectively formed in ends of the first and second partial link units 21 and 22. Coupling holes 23 and 24 are formed in each of the first and second partial link units 21 and 22. The coupling holes 23...

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Abstract

Disclosed herein is a method of manufacturing a master link which connects ends of track chains of an endless track to each other. More particularly, the present invention relates to a method of manufacturing a master link which includes a pair of partial link units that are separably coupled to each other, and which can markedly enhance the degree of precision in machining the partial link units and the quality of the product. The method includes forming a wire-cutting reference hole at a predetermined position in the master link so that a wire is inserted into the wire-cutting reference hole, and forming the first and second partial link units by wire-cutting after inserting the wire into the wire-cutting reference hole.

Description

BACKGROUND OF THE INVENTION[0001]1. Field of the Invention[0002]The present invention relates generally to master links which connect ends of track chains of endless tracks to each other and, more particularly, to a method of manufacturing a master link which includes a pair of partial link units that are separably coupled to each other, and which can markedly enhance the degree of precision in machining the partial link units and the quality of the product.[0003]2. Description of the Related Art[0004]Endless tracks are used in crawler type vehicles, such as bulldozers or excavators. Such an endless track includes a plurality of track chain links which are rotatably connected one after another. A track shoe is provided on each track chain link. Ends of the track chain links are removably connected to each other by master links.[0005]Such a master link for an endless track is an element which connects corresponding ends of the track chain links to each other. The master link includes...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): B23P17/00
CPCB23H9/12B21K23/02F16G15/12B23H7/02B23P15/00B23H9/00B23P19/00Y10T29/49798Y10T29/49826
Inventor CHO, HANG, LAE
Owner KOREA CRAWLER TRACK
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